Welcome to the royal family! It's a world of princes and princesses, dukes and duchesses, kings and queens — and yes, the occasional scandal and intrigue. Queen Elizabeth II and her husband Prince Philip's children and grandchildren have been a source of fascination in the UK and US alike, and we delight in following their royal traditions, charity work, and ever-growing families. They may not be our monarchs, but they definitely have our attention. While King Charles III now presides over the royal family, the two couples we've taken the most interest in are grandchildren Prince William and Prince Harry....